| 摘要 |
PROBLEM TO BE SOLVED: To provide a wrench for easily tightening or loosening a screw at any place by combining a body with a handle even when the screw is in a narrow place or in a recess. SOLUTION: A wrench body 1 having a ratchet type socket and an insert hole is connected to a handle 2 having a spline hole 24b on both ends in which the positions of the spline holes or angles between the axis of the handle and a surface of the spline hole are set different from each other by a connection member having a columnar part and a spline shaft, and a wrench is used in a diversified manner by combination thereof. COPYRIGHT: (C)2004,JPO
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